Finding the Fourth Proportional to 9,144.19, 12,625.07 and 5,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,144.19 : 12,625.07 = 5,613.50 : x
2. Step 2: Convert to fraction form
   9,144.19/12,625.07 = 5,613.50/x
3. Step 3: Cross multiply
   9,144.19x = 12,625.07 × 5,613.50
4. Step 4: Simplify right side
   9,144.19x = 70,870,833.94
5. Step 5: Solve for x
   x = 70,870,833.94/9,144.19
6. Step 6: Final answer
   x = 7,750.37